focus handlers
diff --git a/scripts/fuzz_opt.py b/scripts/fuzz_opt.py
index 6868957..e585ac4 100755
--- a/scripts/fuzz_opt.py
+++ b/scripts/fuzz_opt.py
@@ -1371,11 +1371,11 @@
 testcase_handlers = [
     FuzzExec(),
     CompareVMs(),
-    CheckDeterminism(),
-    Wasm2JS(),
-    TrapsNeverHappen(),
-    CtorEval(),
-    Merge(),
+    # CheckDeterminism(),
+    # Wasm2JS(),
+    # TrapsNeverHappen(),
+    # CtorEval(),
+    # Merge(),
     # FIXME: Re-enable after https://github.com/WebAssembly/binaryen/issues/3989
     # RoundtripText()
 ]